USGS -- Groundwater Watch

Site Number: 403935073235001 - S 66136. 1

DESCRIPTION:: Latitude 40°39'37", Longitude 73°23'50" NAD27
Suffolk County, New York, Hydrologic Unit 02030202; Well depth: 134. feet
Hole depth: 143. feet
Land surface altitude: 5.0feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Magothy Aquifer" (211MAGT) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1980-10-10	2020-01-13	310
Field/Lab water-quality samples
Additional Data Sources	Begin Date	End Date	Count
Annual Water-Data Report (pdf) offsite	2005	2011	7

OPERATION:: Record for this site is maintained by the USGS New York Water Science Center; Email questions about this site to New York Water Science Center Water-Data Inquiries

Site Statistics

Monthly statistics plot for 403935073235001

Most recent data value: 4.48 on 1/13/2020
Period of Record Monthly Statistics for 403935073235001
Elevation above NGVD 1929, feet
Month Average
Monthly
Maximum
Monthly
Median Average
Monthly
Minimum Number
of
Months
Jun 4.07 3.59 3.55 5
Jul 4.11 3.79 3.43 5
Aug 4.61 4.10 3.76 5
Sep 4.05 3.81 3.61 5
As of 6/27/2020 13:55-M

Periodic Groundwater Data

Groundwater hydrograph for well 403935073235001

Summary for Period of Record Periodic Water Levels

Elevation above NGVD 1929, feet

Approved Periodic Water Level Values

Begin Date

End Date

Number of Values

10/10/80

01/13/20

310

Lowest WL	Date of Lowest WL	Highest WL	Date of Highest WL
2.82	06/24/15	5.45	03/17/10

	Groundwater Levels Options
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Last update: Thursday, September 26, 2019 at 13:24

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